/**
*      author: Y_Yao
*      created: 2025-02-15 20:00:48
**/

#include<bits/stdc++.h>

#define int LL
using namespace std;
using LL = long long;
const LL LLINF = 1e18;
const int INF = 0x3f3f3f3f;
string s1,s2;

void solve()
{
    cin >> s1;
    cin >> s2;
    if(s1 == "fine" && s2 == "fine")
    {
        cout << 4 << endl;
        return;
    }
    if(s1 == "sick" && s2 == "fine")
    {
        cout << 2 << endl;
        return;
    }
    if(s1 == "fine" && s2 == "sick")
    {
        cout << 3 << endl;
        return;
    }
    if(s1 == "sick" && s2 == "sick")
    {
        cout << 1 << endl;
        return;
    }
}

signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);

    int t = 1;
    //cin >> t;
    while(t--)
    {
        solve();
    }
    return 0;
}